SPKR has various meanings in the Nutrition category. Discover the full forms, definitions, and usage contexts of SPKR in Nutrition.
On a square rigged ship, the spanker is regarded as a gaff rigged fore-and-aft sail set from and aft of the aftmost mast. Virtually all square rigs with multiple masts have at least one spanker, which is derived from the driver sail.
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